import new version of dietlibc

1 files changed, 118 insertions, 0 deletions

diff --git a/mdk-stage1/dietlibc/lib/getopt.c b/mdk-stage1/dietlibc/lib/getopt.c
new file mode 100644
index 000000000..93097122f
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/getopt.c
@@ -0,0 +1,118 @@
+#include "getopt.h"
+#include <string.h>
+
+/*
+ * by Olaf Dreesen
+ */
+
+int opterr;
+
+int optind=1;
+char *optarg;
+
+static int opt_unknown=1,opt_unknown_len;
+
+static int getopt_check(int c,char*o,int ol)
+{
+  int i;
+  if (c==':') return 2;
+  for (i=0;i<ol;i++)
+  {
+    if (o[i]==c)
+    {
+      if (o[i+1]==':') return 1;
+      return 0;
+    }
+  }
+  return 2;
+}
+
+static void getopt_sort(char*v[],int oi)
+{
+  int i;
+  char *tmp, *tmp2=0;
+
+  if (opt_unknown_len)
+  {
+    tmp=v[optind-(1+oi)];
+    if (oi) tmp2=v[optind-1];
+
+    for (i=opt_unknown+opt_unknown_len;i>opt_unknown;i--) v[i+oi]=v[i-1];
+
+    v[opt_unknown++]=tmp;
+    if (oi) v[opt_unknown++]=tmp2;
+  }
+}
+
+static char* nextchar;
+int getopt(int c,char*v[],char*o)
+{
+  int ol=strlen(o);
+  int ret=0;
+  int oi=0;
+
+  optarg=0;
+
+  while (nextchar || (optind<c))
+  {
+    if (nextchar)
+    {
+      if ((ret=(*(++nextchar))))
+      {
+	switch (getopt_check(ret,o,ol))
+	{
+	case 1:
+	  if (*(++nextchar))
+	    optarg=nextchar;
+	  else
+	  {
+	    if (optind<c)
+	    {
+	      oi=1;
+	      optarg=v[optind++];
+	    }
+	    else
+	      ret='?';
+	  }
+	  nextchar=0;
+	case 0:
+	  if (!nextchar)
+	    getopt_sort(v,oi);
+	  else
+	    if (!(*(nextchar+1)))
+	      getopt_sort(v,oi);
+	  return ret;
+	  break;
+	default:
+	  return '?';
+	  break;
+	}
+      }
+      else
+	nextchar=0;
+    }
+    else
+    {
+      if ((v[optind][0]=='-')&&((v[optind][1]!=0)))
+      {
+	if ((v[optind][1]=='-')&&(v[optind][2]==0))
+	{
+	  getopt_sort(v,oi);
+	  optind=opt_unknown;
+	  return -1;
+	}
+	else
+	{
+	  nextchar=v[optind];
+	}
+      }
+      else
+      {
+	++opt_unknown_len;
+      }
+      ++optind;
+    }
+  }
+  optind=opt_unknown;
+  return -1;
+}